2004 Audi A4 vs. 2007 BMW M
To start off, 2007 BMW M is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Audi A4. In addition, the cost of maintenance, including insurance, on 2004 Audi A4 would be higher. At 3,245 cc (6 cylinders), 2007 BMW M is equipped with a bigger engine. In terms of performance, 2007 BMW M (330 HP @ 7900 RPM) has 160 more horse power than 2004 Audi A4. (170 HP @ 6500 RPM) In normal driving conditions, 2007 BMW M should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 165 kg more than 2007 BMW M.
Because 2007 BMW M is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2007 BMW M. However, in wet, icy, snow, or gravel driving conditions, 2004 Audi A4, being front wheel drive (FWD), will offer much better control with better grip. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2007 BMW M (355 Nm) has 120 more torque (in Nm) than 2004 Audi A4. (235 Nm). This means 2007 BMW M will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
Compare all specifications:
| 2004 Audi A4 | 2007 BMW M | |
| Make | Audi | BMW |
| Model | A4 | M |
| Year Released | 2004 | 2007 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1784 cc | 3245 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 170 HP | 330 HP |
| Engine RPM | 6500 RPM | 7900 RPM |
| Torque | 235 Nm | 355 Nm |
| Engine Bore Size | 81 mm | 87 mm |
| Engine Stroke Size | 86 mm | 91 mm |
| Engine Compression Ratio | 9.3:1 | 11.5:1 |
| Drive Type | Front | Rear |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1650 kg | 1485 kg |
| Vehicle Length | 4580 mm | 4120 mm |
| Vehicle Width | 1780 mm | 1790 mm |
| Vehicle Height | 1400 mm | 1310 mm |
| Wheelbase Size | 2580 mm | 2500 mm |
| Fuel Consumption | 7.8 L/100km | 9.8 L/100km |
| Fuel Consumption City | 10.2 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 9.1 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 70 L | 55 L |
